Corkscrew with pivoted lateral projection



' 1950 H. E. JACOBSEN CDRKSCREW WITH PIVOTED LATERAL PROJECTION FiledMarch 10, 1947 lure/1101' Harold E. Jacobsen f atenled Oct. 3, 1956OFFICE CORKSCREW WITH PIVOTED LATERAL PROJECTION Harold E. J acobsen,Kingsley, Mich.

Application March 10, 1947, Serial No. 733,685

1 Claim. (Cl. 81-345) The present invention relates to new and usefulimprovements in cork screws or cork extractors and has for its primaryobject to provide means for effectively locking the cork screw in thecork during removal thereof.

An important object of the present invention is to provide an automaticlocking bar carried by the cork screw and movable into a positionagainst the bottom of the cork to prevent withdrawal of the cork screwfrom the cork during removal of the latter.

A further object of the invention is to provide a device of thischaracter of simple and practical construction, which is efli'cient andreliable in operation, and relatively inexpensive to manufacture andotherwise well adapted for the purposes for which the same is intended.

Other objects and advantages reside in the details of construction andoperation as more fully hereinafter described and claimed, referencebeing had to the accompanying drawings forming part hereof, wherein likenumerals refer to like parts throughout, and in which:

Figure l is a side elevational view showing the cork screw in process ofbeing inserted through a cork and the cork broken away and shown insections;

Figure 2 is a fragmentary side elevational view showing the position ofthe locking bar after passing through the cork;

Figure 3 is a similar view showing the position of the locking barengaging the bottom of the cork; 1

Figure 4 is a sectional View taken on a line 4--4 of Figure 3,

Figure 5 is an enlarged perspective view of the locking bar, and

Figure 6 is an end elevational view of the handle looking in thedirection of the arrow in Figure 1.

Referring now to the drawings in detail, wherein for the purpose ofillustration I have disclosed a preferred embodiment of the presentinvention, the numeral 5 designates a cork screw embodying the usuallyspirally threaded shank 6 and having a tapered lower end I to facilitatepenetration of the cork screw through a cork 8.

r The lower portion of the shank, at one side thereof is cut away toform a recess 9 formed with upper and lower shoulders I and I Irespectively.

A substantially Z-shaped locking bar I2 is constructed to provide arelatively short arm I3 and a relatively long arm I4 extending inopposite directions from a connecting bar l positioned at right anglesto said arms. The connecting bar I5 is pivoted in the recess 9 by meansof a pin I6, the arm I4 being of increased weight to automaticallygravitate downwardly into a position for projecting the arms outwardlyat the sides of the shank in a horizontal position and with the shorterarm l3 swung upwardly against the shoulder I0 and with the longer arm I4swung downwardly against the shoulder I I to thus maintain the lockingbar in a horizontal position.

When threading the cork screw through a cork 8 the arms I3 and I4 areswung inwardly to completely enclose the same in the recess 9 as shownin Figure 1 of the drawing whereby to prevent interference of thelocking bar with the passage of the shank 6 through the cork.

After the locking bar passes through the cork as shown in Figure 2, thearms of the locking bar automatically swing outwardly into a horizontalposition and the cork screw is partly withdrawn from the cork until thearm I4 engages the bottom of the cork as shown in Figure 3.

A handle I! is pivoted in a conventional manner to the upper end of theshank 6 and upon exerting a pulling force on the handle the cork isremoved from the container without danger of pulling the shank 6 throughthe cork.

One longitudinal edge of the arm I4 is beveled on its upper surface asshown at I8 to form a knife edge adapted to bite into the bottom of thecork by a turning of the handle in a direction to Withdraw the shankfrom the cork and thus exert aturning movement on the cork to facilitateextraction thereof where the cork is fitted particularly tight in itscontainer.

The pivotal connection of the handle I! with the upper end of the shank6 enables the folding of the handle against the shank for convenientstoring thereof.

In view of the foregoing description taken in conjunction with theaccompanying drawings it is believed that a clear understanding of theconstruction, operation and advantages of the device will be quiteapparent to those skilled in this art. A more detailed description isaccordingly deemed unnecessary.

It is to be understood, however, that even though there is herein shownand described a preferred embodiment of the invention the same issusceptible to certain changes fully comprehended by the spirit of theinvention as herein described and the scope of the appended claim.

What I claim:

A locking attachment for cork screws comprising an off-balanced lockingbar pivoted to the shank of a cork sciew for swinging downwardly UNITEDSTATES PATENTS into a laterally projected position under a cork NumberName Date. upon passage of the bar therethrough and a len- 74 966Williamson 25 1868 gitudinal cutting edge on the bar for biting into287504 coppel Oct 1883 the bottom of the cork to connect the cork to 5 1149112 Aug. 1915 the shank therewith 113321043 Keith ..I I: 1---: Feb.24, 1920 HAROLD E. J ACOBSEN.

FOREIGN PATENTS REFERENCES CITED 7v v H M Niirnber Qountry" Date Thefollowing'references are of record in the 10 1,486 Sweden Apr. 17, 1888file of this patent: 6,678 Great Britain May 4, 1888 18,798 GreatBritain Oct. 4, 1894

